yep… beside of that a usefull max fps setting is allways a good idea ( with vsync enabled or not ) , you can try to increase the speed of your pc fans ( some time in bios, some time per software ) and so you get possible a better airflow. If these kind of crashs happens, it is like a warning that your pc ( pc component ) becomes to hot over the time , which is in generally not good. If the room temperatur goes one degree higher, you run may be already after 30 min into these issue.